The current Logical Meter Calculator (LMC) in System Resource Deemed Delivered Pre-Calculation (PC) is not capturing scenarios when the E-tag is curtailed mid-hour, but the Pi-Tag is non zero. In scenarios where the e-tag is curtailed mid-hour we want to zero out the PI interval values (because energy flow on the e-tag did not occur). Otherwise, it results in the derivation an inaccurate denominator in the allocation factor equation. System Resource Deemed Delivered PC will utilize the existing Checked Out Interchange Shadow Indicator to determine if there is flow on the e-tag which will be signified by the Shadow indicator interval value being set to 1. A null or zero interval value signifies that there was no flow on the tag and as such will result in the PI interval value being zeroed out and as a result no LMC shaping occurs against it. System Resource Deemed Delivered PC is impacted.The effective trade date of the change is 7/1/2023 and the anticipated implementation date is 04/26/2023.